Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

ROCK CREEK (RCEC1)

Lat: 37.55983°NLon: 118.67841°WElev: 7103.0ft.

NA

50°F

10°C

Humidity 50%
Wind Speed WNW 4 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill49°F (9°C)
Last update 10 Apr 09:04 AM PDT
Extended Forecast for

11 Miles WNW Chalfant CA

Winter Storm Warning April 11, 02:00pm until April 12, 11:00pm
Click here for hazard details and duration
Winter Storm Warning
  • Today

    Today: A slight chance of rain and snow showers after 11am.  Snow level 8000 feet. Mostly sunny, with a high near 57. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 20%.

    High: 57 °F

    Slight Chance
    Rain/Snow and
    Breezy

  • Tonight

    Tonight: A slight chance of rain and snow showers before 8pm, then a chance of snow showers between 8pm and 2am.  Partly cloudy, with a low around 33. South wind 10 to 15 mph becoming west in the evening. Winds could gust as high as 25 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: Sunny, with a high near 53. Breezy, with a west wind 10 to 20 mph becoming south in the morning. Winds could gust as high as 30 mph.

    High: 53 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Snow showers likely, mainly after 11pm.  Mostly cloudy, with a low around 32. South wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 32 °F

    Snow Showers
    Likely

  • Sunday

    Sunday: Snow showers.  High near 43. South wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 43 °F

    Snow Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of snow showers, mainly before 11pm.  Mostly cloudy, with a low around 27. West wind 10 to 15 mph.  Little or no snow accumulation expected.

    Low: 27 °F

    Chance Snow
    Showers

  • Monday

    Monday: A 20 percent chance of snow showers after 11am.  Mostly sunny, with a high near 46.

    High: 46 °F

    Slight Chance
    Snow Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

Detailed Forecast

Today
A slight chance of rain and snow showers after 11am. Snow level 8000 feet. Mostly sunny, with a high near 57. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tonight
A slight chance of rain and snow showers before 8pm, then a chance of snow showers between 8pm and 2am. Partly cloudy, with a low around 33. South wind 10 to 15 mph becoming west in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday
Sunny, with a high near 53. Breezy, with a west wind 10 to 20 mph becoming south in the morning. Winds could gust as high as 30 mph.
Saturday Night
Snow showers likely, mainly after 11pm. Mostly cloudy, with a low around 32. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Sunday
Snow showers. High near 43. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
A 30 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 27. West wind 10 to 15 mph. Little or no snow accumulation expected.
Monday
A 20 percent chance of snow showers after 11am. Mostly sunny, with a high near 46.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 34.
Wednesday
Sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 57.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WNW Chalfant CA
 37.58°N 118.56°W (Elev. 7602 ft)
4:31 am PDT Apr 10, 2026
9am PDT Apr 10, 2026-6pm PDT Apr 16, 2026
 
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Additional Resources

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